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added interrupts

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This commit is contained in:
Lauchmelder 2021-10-24 16:52:15 +02:00
parent 56c9dfbe6e
commit 034645154d
3 changed files with 60 additions and 1 deletions
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6
NES Emulator/ppu.c
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@ -4,6 +4,7 @@
#include <stdlib.h>
#include <memory.h>
#include "bus.h"
#include "cpu.h"
#include "cartridge.h"
struct PPU* createPPU(struct Bus* parent)
@ -222,6 +223,11 @@ void ppuWrite(struct PPU* ppu, Word addr, Byte val)
int tickPPU(struct PPU* ppu)
{
// Do stuff
if (ppu->x == 0 && ppu->y == 241)
NMI(ppu->bus->cpu);
// Increment counters
ppu->x++;
if (ppu->x == 341)